Update content/docs/getting-started/index.mdx

Co-authored-by: Razvan Deaconescu <[email protected]>
Signed-off-by: felipehuici <[email protected]>

content/docs/getting-started/index.mdx

@@ -33,7 +33,7 @@ See [alternative installation methods](/docs/cli/install) and [CLI usage instruc
 ## Language & Framework Guides
 
 Unikraft works with your favorite programming languages.
-We've put together and application [**catalog**](https://github.com/unikraft/catalog/tree/main/examples) with step-by-step guides: click on one of the following items and follow the instructions in the `README.md`.
+We've put together an application [**catalog**](https://github.com/unikraft/catalog/tree/main/examples) with step-by-step guides: click on one of the following items and follow the instructions in the `README.md`.
 Alternatively, go back to owr [landing page](https://unikraft.org/) and click on one of the app or language badges.
 
 {/* <LanguageLinks /> */}